01328nas a2200241   4500008004100000022001400041245004900055210004700104260009900151300001200250490000700262520058100269653000900850653002500859653002400884653001200908653001800920100001800938700002000956700001900976700001300995856007801008       2005                        eng d  a0272-884200aSynthesis of Ce0.75Zr0.25O2 at 100 degrees C0 aSynthesis of Ce075Zr025O2 at 100 degrees C  aTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLANDbELSEVIER SCI LTDcJAN  a211-2130 v313 a<p>A simple gel to crystal conversion route has been used for the preparation of Ce0.75Zr0.25O2 phase at 80-100degreesC under refluxing conditions. Freshly prepared metal hydroxides gel from cerium and zirconium salt solution is allowed to crystallize under refluxing and stirring conditions for 4-10 h. Formation of nano crystallites of Ce0.75Zr0.25O2 is confirmed by X-ray diffraction (XRD). Transmission electron microscopy (TEM) investigations revealed the average particle size of these powders to be 5 nm. (C) 2004 Elsevier Ltd and Techna S.r.l. All rights reserved.</p>10aCeO210achemical preparation10aElectron microscopy10apowders10aX-ray methods1 aDhage, S., R.1 aGaikwad, S., R.1 aMuthukumar, P.1 aRavi, V.  uhttps://library.ncl.res.in/content/synthesis-ce075zr025o2-100-degrees-c-001457nas a2200253   4500008004100000022001400041245005900055210005900114260009900173300001200272490000700284520065200291653002500943653001300968653001600981653001200997653001801009100001901027700001801046700001501064700001801079700001301097856009301110       2008                        eng d  a0272-884200aNovel hydroxide precursors to prepare NaNbO3 and KNbO30 aNovel hydroxide precursors to prepare NaNbO3 and KNbO3  aTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLANDbELSEVIER SCI LTDcAPR  a671-6730 v343 a<p>Firstly, fresh niobium, hydroxide was precipitated from NbF5 solution using an aqueous ammonium hydroxide under basic conditions. Then a simple procedure of mixing potassium (or sodium) and niobium hydroxides together and heating at a low temperature (&lt;400 degrees C) produced KNbO3 (KN) or NaNbO3 (NN) powders. This is the lowest temperature so far reported for the formation of these phases. The phase content and lattice parameters are determined by X-ray diffraction (XRD). The average particle size and morphology were studied by scanning electron microscopy (SEM). (c) 2007 Elsevier Ltd and Techna Group S.r.l. All rights reserved.</p>10achemical preparation10aniobates10aPerovskites10apowders10aX-ray methods1 aMuthurajan, H.1 aKumar, H., H.1 aSamuel, V.1 aGupta, U., N.1 aRavi, V.  uhttps://library.ncl.res.in/content/novel-hydroxide-precursors-prepare-nanbo3-and-knbo3-0